romstage_fsp_params.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <baseboard/variants.h>
#include <soc/meminit.h>
#include <soc/romstage.h>
#include "board_id.h"
 
void mainboard_memory_init_params(FSPM_UPD *memupd)
{
        static struct spd_info jslrvp_spd_info;
        uint8_t board_id = get_board_id();
        const struct mb_cfg *board_cfg = variant_memcfg_config(board_id);
 
        /* TODO: Read the resistor strap to get number of memory segments */
        bool half_populated = false;
 
        /* Check board id and fill correct parameters to upd */
        if (board_id == jsl_ddr4) {
                /* Initialize spd information for DDR4 board */
                jslrvp_spd_info.read_type = READ_SMBUS;
                jslrvp_spd_info.spd_spec.spd_smbus_address[0] = 0xA0;
                jslrvp_spd_info.spd_spec.spd_smbus_address[1] = 0xA2;
                jslrvp_spd_info.spd_spec.spd_smbus_address[2] = 0xA4;
                jslrvp_spd_info.spd_spec.spd_smbus_address[3] = 0xA6;
 
        } else if (board_id == jsl_lpddr4) {
                /* Initialize spd information for LPDDR4 board */
                jslrvp_spd_info.read_type = READ_SPD_CBFS;
                jslrvp_spd_info.spd_spec.spd_index = 0x00;
        }
 
        /* Initialize variant specific configurations */
        memcfg_init(&memupd->FspmConfig, board_cfg, &jslrvp_spd_info, half_populated);
}